Home / 113,186.92-169,780.20-30,080.92

Finding the Fourth Proportional to 113,186.92, 169,780.20 and 30,080.92

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Solution

The fourth proportional to 113,186.92, 169,780.20 and 30,080.92 is: 45,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,186.92 : 169,780.20 = 30,080.92 : x
  2. Step 2: Convert to fraction form
    113,186.92/169,780.20 = 30,080.92/x
  3. Step 3: Cross multiply
    113,186.92x = 169,780.20 × 30,080.92
  4. Step 4: Simplify right side
    113,186.92x = 5,107,144,613.78
  5. Step 5: Solve for x
    x = 5,107,144,613.78/113,186.92
  6. Step 6: Final answer
    x = 45,121.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.